Anyone who has working in software for any length of time will have come across people who deliver orders of magnitude more high quality work than their peers:

Anyone who has working in software for any length of time will have come across people who deliver orders of magnitude more high quality work than their peers: high output, high quality -- the 10xer. This post confuses that archetype with the similar-but-different high output, low quality archetype -- AKA the "cowboy", "hero", "prima donna".